that's the net worth of will smith, britney spears, and jennifer aniston combined. with $500 million, you can knock on oprah's california home, tell her you want to buy five of them, and have $75 million to spare. but the luckiest people of all, are those who, years later, haven't managed to go broke. >> been married 41 years. i know what to do with this check. >> reporter: people like jim and carolyn mccullar, who had a ticket worth $190 million. >> my kids, my grandkid, my great grandkids and their children also. we're not going to blow this. >> reporter: now, almost two years later, they've managed to do just what they said. they've set up trust funds for their 4 kids and 23 grandchildren, been very generous with donations. and most importantly, haven't blown their millions. and cynthia stafford, who won $112 million hasn't, either. >> it's a blessing. and people who receive it that way, they tend to keep it. i'm involved with a number of organizations. and it just warms my heart to be able to do these things. >> reporter: she's using her payday to pay it forward